Greater Sudbury in September
7.1out of 10
Possible, with caveats
Mild: highs around 19°C. Frequent rain: about 11 rainy days.
19°CAvg high
9°CAvg low
11Rainy days (91 mm)
12:19 hDaylight
07:09Sunrise · 19:28 Sunset
Why this score
- Mild: highs around 19°C
- Frequent rain: about 11 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (3.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -7°C | -17°C | 53 mm | 11 | – | – | 3.7 |
| February | -5°C | -15°C | 42 mm | 8 | – | – | 4.1 |
| March | 2°C | -9°C | 49 mm | 8 | – | – | 4.0 |
| April | 10°C | -1°C | 70 mm | 10 | – | – | 5.6 |
| May | 18°C | 6°C | 72 mm | 11 | – | – | 7.1 |
| June | 23°C | 11°C | 82 mm | 11 | – | – | 7.7 |
| July | 25°C | 14°C | 87 mm | 11 | – | – | 7.6 |
| August | 24°C | 13°C | 91 mm | 11 | – | – | 7.5 |
| September | 19°C | 9°C | 91 mm | 11 | – | – | 7.1 |
| October | 11°C | 3°C | 94 mm | 12 | – | – | 5.6 |
| November | 3°C | -4°C | 73 mm | 11 | – | – | 4.2 |
| December | -3°C | -12°C | 59 mm | 11 | – | – | 3.6 |
Frequently asked questions
How hot is Greater Sudbury in September?
Daytime highs average 19°C and nights about 9°C.
When is the best time to visit Greater Sudbury?
The best months are June, July, August.